Vehicle fire protection system and vehicle fire protection method

Abstract

A vehicle fire protection system includes a wheel stop structure for stopping the wheels of a vehicle; a geomagnetic sensor for sensing the magnetic properties of the vehicle to generate a magnetic detection result; a thermal sensor for detecting the underside temperature of the vehicle to generate a temperature detection result; a plurality of water mist nozzles for generating fine water mist; and a processing module for determining a vehicle type based on the magnetic detection result, determining a judgment criterion based on the vehicle type, and determining whether the underside temperature of the vehicle has abnormally increased or exceeded a critical value based on the temperature detection result and the judgment criterion, so as to generate a control signal in a timely manner to control the plurality of water mist nozzles to generate fine water mist to cool the underside of the vehicle.

Claims

1. A vehicle fire protection system comprising: a wheel stop structure disposed at a parking position for stopping the wheels of a vehicle, the parking position being used to park the vehicle; a geomagnetic sensor integrated into the wheel stop structure for sensing a magnetic characteristic of the vehicle relative to the parking position to generate a magnetic detection result; and a thermal sensor integrated into the wheel stop structure for detecting the underside temperature of the vehicle to generate a temperature detection result. A plurality of water mist nozzles, integrated into the wheel well structure, are positioned within the recess of the wheel well structure, avoiding the contact points with the vehicle's wheels, to generate fine water mist at a spray angle of approximately 75 degrees, providing broad coverage and ensuring that the fine water mist effectively reaches the bottom of the vehicle; and a processing module, coupled to the geomagnetic sensor, the thermal sensor, and the plurality of water mist nozzles, is used to determine a vehicle type based on the magnetic field detection result, determine a judgment criterion based on the vehicle type, determine whether the bottom temperature of the vehicle is abnormally rising or exceeds a critical value based on the temperature detection result and the judgment criterion, and generate a control signal when the temperature detection result and the judgment criterion indicate that the bottom temperature of the vehicle is abnormally rising or exceeds the critical value, to control the plurality of water mist nozzles to generate fine water mist to cool the bottom of the vehicle.

2. The vehicle fire protection system as described in claim 1, wherein the vehicle type includes an electric vehicle and a gasoline vehicle, wherein the processing module uses a first judgment criterion when determining that the vehicle is an electric vehicle, and uses a second judgment criterion when determining that the vehicle is a gasoline vehicle, wherein the threshold value of the second judgment criterion is higher than the threshold value of the first judgment criterion.

3. The vehicle fire protection system as claimed in claim 1, wherein the wheel stop structure includes a first part and a second part, the first part being close to the center of the vehicle chassis, the second part being used to stop the vehicle wheels, and the plurality of water mist nozzles being disposed on the first part and the second part.

4. The vehicle fire protection system as claimed in claim 3, wherein the first part integrates the thermal sensor, the geomagnetic sensor and a portion of the plurality of water mist nozzles, and the second part combines another portion of the plurality of water mist nozzles.

5. The vehicle fire protection system as claimed in claim 1, wherein the wheel stop structure is a strip wheel stop, and the plurality of water mist nozzles, the thermal sensor and the geomagnetic sensor are integrated into the strip wheel stop.

6. The vehicle fire protection system as described in claim 1, wherein the geomagnetic sensor is used to detect the magnetic distribution of the vehicle chassis, and the processing module is used to determine the vehicle type based on the magnetic distribution displayed by the magnetic detection result.

7. The vehicle fire protection system as claimed in claim 1, wherein the thermal sensor is selected from one or more of an infrared sensor, a thermocouple, a thermistor, and a resistance temperature sensor.

8. The vehicle fire protection system as described in claim 1, further comprising a communication module coupled to the processing module for transmitting the magnetic field detection result, the temperature detection result, or the control signal to a central control system, wherein the communication module is selected from one or more of a Bluetooth module, a WiFi module, a telecommunications signal module, and a wired network module.

9. The vehicle fire protection system as claimed in claim 1, further comprising a power supply module for supplying power to the vehicle fire protection system, the power supply module comprising one or more of a battery, a solar panel, a wireless charging receiver, and an AC / DC conversion module.

10. The vehicle fire protection system as claimed in claim 1, wherein the wheel stop structure is made of aluminum alloy and is locked to the ground at the parking position.

11. The vehicle fire protection system as described in claim 1, further comprising an alarm unit coupled to the processing module, for issuing an alarm signal when the temperature detection result and the judgment criterion indicate that the bottom temperature of the vehicle has risen abnormally or exceeded the threshold value, the alarm signal being selected from one or more of a sound, a light, or a mobile phone push notification.

12. The vehicle fire protection system as claimed in claim 1, wherein the processing module generates the control signal when the vehicle has been stationary at the parking position for more than a preset time, and the temperature detection result and the judgment criterion indicate that the bottom temperature of the vehicle has risen abnormally or exceeded the critical value.

13. A vehicle fire protection method, comprising: when a vehicle is parked in a parking position, sensing the magnetic properties of the vehicle by means of a geomagnetic sensor integrated into a wheel well structure to generate a magnetic detection result, wherein the wheel well structure is used to stop the wheels of the vehicle; detecting the bottom temperature of the vehicle by means of a thermal sensor integrated into the wheel well structure to generate a temperature detection result; determining a vehicle type based on the magnetic detection result, and determining a judgment criterion based on the vehicle type; determining whether the bottom temperature of the vehicle is abnormally rising or exceeds a critical value based on the temperature detection result and the judgment criterion; and when the temperature detection result and the judgment criterion indicate that the bottom temperature of the vehicle is abnormally rising or exceeds the critical value, controlling a plurality of water mist nozzles integrated into the wheel well structure and disposed in the recess of the wheel well structure and avoiding the contact position of the vehicle's wheels to generate fine water mist at a spray angle of approximately 75 degrees to cool the bottom of the vehicle, so as to provide extensive coverage and ensure that the fine water mist effectively reaches the bottom of the vehicle.

14. The vehicle fire protection method as described in claim 13, wherein the vehicle type includes an electric vehicle and a gasoline vehicle, wherein the step of determining the judgment criterion based on the vehicle type is as follows: when determining that the vehicle type is an electric vehicle, a first judgment criterion is used, and when determining that the vehicle type is a gasoline vehicle, a second judgment criterion is used, wherein the threshold value of the second judgment criterion is higher than the threshold value of the first judgment criterion.

15. The vehicle fire protection method as described in claim 13, wherein the wheel stop structure includes a first part and a second part, the first part being close to the center of the vehicle chassis, the second part being used to stop the vehicle wheels, and the plurality of water mist nozzles being disposed on the first part and the second part.

16. The vehicle fire protection method as claimed in claim 15, wherein the first part integrates the thermal sensor, the geomagnetic sensor and a portion of the plurality of water mist nozzles, and the second part integrates another portion of the plurality of water mist nozzles.

17. The vehicle fire protection method as described in claim 13, wherein the wheel stop structure is a strip wheel stop, and the plurality of water mist nozzles, the thermal sensor and the geomagnetic sensor are integrated into the strip wheel stop.

18. The vehicle fire protection method as described in claim 13, wherein sensing the magnetic characteristics of the vehicle involves detecting the magnetic distribution of the vehicle chassis to determine the vehicle type.

19. The vehicle fire protection method as described in claim 13, wherein the temperature of the bottom of the vehicle is detected by one or more of an infrared sensor, a thermocouple, a thermistor, and a resistance temperature sensor.

20. The vehicle fire protection method as described in claim 13 further includes transmitting the magnetic field detection result, the temperature detection result, or a control signal to a central control system via one or more of a Bluetooth module, a WiFi module, a telecommunications signal module, and a wired network module.

21. The vehicle fire protection method as described in claim 13 further includes providing power through one or more of a battery, a solar panel, a wireless charging receiver, and an AC power conversion module.

22. The vehicle fire protection method as described in claim 13, wherein the wheel stop structure is made of aluminum alloy and is locked to the ground at the parking position.

23. The vehicle fire protection method as described in claim 13 further includes issuing an alarm signal when the temperature detection result and the judgment criterion indicate that the bottom temperature of the vehicle has risen abnormally or exceeded the critical value, the alarm signal being selected from one or more of a sound, a light, or a mobile phone push notification.

24. The vehicle fire protection method as described in claim 13, wherein the control of the plurality of water mist nozzles to generate fine water mist is performed when the vehicle is stationary at the parking position for more than a preset time, and the temperature detection result and the judgment criterion indicate that the bottom temperature of the vehicle has abnormally increased or exceeded the critical value.

Images